21184035

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61403}}^1$

素因数の和:61434

約数の個数: 16

約数和(自身を含む): 35368704

約数和(自身を除く): 14184669

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61403, 184209, 307015, 921045, 1412269, 4236807, 7061345, 21184035]

約数ペア:

[(1, 21184035), (3, 7061345), (5, 4236807), (15, 1412269), (23, 921045), (69, 307015), (115, 184209), (345, 61403)]